<?

$iterations = 20000;

function mul $i,$j (
  return $i*$j;
);

$starttime=time();
$i=0;
$sum=0;
while ($i<$iterations) {
  $sum = $sum+mul($i,$i);
  $i++;
}
$endtime=time();

$delta = $endtime-$starttime;

echo "Took $delta seconds\n";
